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石蝇
stone fly
Last Update: 1970-01-01
Usage Frequency: 1
Quality:
石蝇(pteronarcys californica)：96小时半数致死浓度=2.3微克/升
stonefly (pteronarcys californica): 96 hour lc50 = 2.3 g/l
Last Update: 2016-12-04
Usage Frequency: 2
Quality:
对石蝇（pteronarcys californiaca）的半致死浓度（96小时）为2.3微克/升。
lc50 (96 hours) for stonefly (pteronarcys californica): 2.3 g/l.
Last Update: 2016-12-04
Usage Frequency: 2
Quality: